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channelstream-0.7.1
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مشاهده بیشترتوضیحات
Websocket server supporting channels/users communication
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | channelstream-0.7.1 |
| نام | channelstream |
| نسخه کتابخانه | 0.7.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Marcin Lulek |
| ایمیل نویسنده | info@webreactor.eu |
| آدرس صفحه اصلی | https://github.com/Channelstream/channelstream |
| آدرس اینترنتی | https://pypi.org/project/channelstream/ |
| مجوز | BSD |
# Channelstream
[![Build Status]](https://travis-ci.org/Channelstream/channelstream)
This is a websocket-based real-time communication server,
your applications communicate with it via simple JSON REST API.
Visit http://channelstream.org for more information.
## Installation and Setup
Obtain source from github and do:
YOUR_PYTHON_ENV/bin/pip install channelstream
Generate new configuration:
YOUR_PYTHON_ENV/bin/channelstream_utils make_config -o config.ini
Start the server:
YOUR_PYTHON_ENV/bin/channelstream -i config.ini
## Demos
Demo applications live in https://github.com/Channelstream/channelstream_demos repository.
They show common patterns used in real-time applications.
### Security and communication model
Channelstream provides API explorer that you can use to interact with various
endpoints, it is available by default under http://127.0.0.1:8000/api-explorer.
To send information client interacts only with your normal www application.
Your app handled authentication and processing messages from client, then passed
them as signed message to channelstream server for broadcast.
websocket client -> webapp (security and transformation happens here) -> REST call to socket server -> broadcast to other clients
This model is easy to implement, secure, easy to scale and allows all kind of
languages/apps/work queues to interact with socket server.
All messages need to be signed with a HMAC of destination endpoint ::
import requests
from itsdangerous import TimestampSigner
signer = TimestampSigner(SERVER_SECRET)
sig_for_server = signer.sign('/connect')
secret_headers = {'x-channelstream-secret': sig_for_server,
'Content-Type': 'application/json'}
response = requests.post(url, data=json.dumps(payload),
headers=secret_headers).json()
## Data format and endpoints
Please consult API Explorer (http://127.0.0.1:8000/api-explorer) for in depth information
about endpoints.
Some examples:
* /connect **POST** connects users to the server
* /subscribe **POST** Subscribes connection to new channels
* /unsubscribe **POST** Removes connection from channels
* /user_state **POST** set the state of specific user
* /message **POST** Send message to channels and/or users
* /message **DELETE** Delete message from history and emit changes
* /message **PATCH** Edit existing message in history and emit changes
* /channel_config **POST** Set channel configuration
* /info **POST** Returns channel information
Client API
* /ws **GET** Handles websocket connections
* /listen **GET** Handles long polling connections
* /disconnect **GET** Permanently remove connection from server
* /disconnect **POST** Permanently remove connection from server
Admin API
* /admin/admin.json **GET** Return server information in json format for admin panel purposes
* /admin/admin.json **POST** Return server information in json format for admin panel purposes
### Responses to js client
Responses to client are in form of **list** containing **objects**:
examples:
**new message** ::
{
"date": "2011-09-15T11:36:18.471862",
"message": MSG_PAYLOAD,
"type": "message",
"user": "NAME_OF_POSTER",
"channel": "CHAN_NAME"
}
**presence info** ::
{
"date": "2011-09-15T11:43:47.434905",
"message": {"action":"joined/parted"},
"type": "presence",
"user": "NAME_OF_POSTER",
"channel": "CHAN_NAME"
}
Currently following message types are emited: `message`, `message:edit`,
`message:delete`, `presence`, `user_state_change`.
[Build Status]: https://travis-ci.org/Channelstream/channelstream.svg?branch=master
نیازمندی
| مقدار | نام |
|---|---|
| >=1.3.7 | gevent |
| ==1.1.0 | itsdangerous |
| <3.0.0,==2.18.0 | marshmallow |
| >=1.9.2 | pyramid |
| ==0.3.3 | pyramid-apispec |
| >=2.7 | pyramid-jinja2 |
| >=2.7.5 | python-dateutil |
| >=2.20.0 | requests |
| >=0.5.1 | ws4py |
| - | coverage |
| - | mock |
| - | mypy |
| - | pyramid |
| - | pytest |
| - | tox |
| - | webtest |
| - | black |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl channelstream-0.7.1:
pip install channelstream-0.7.1.whl
نصب پکیج tar.gz channelstream-0.7.1:
pip install channelstream-0.7.1.tar.gz